MerchantAdvantage is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Widdit has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Religion & Spirituality, Business & Industry and 81 other categories.
MerchantAdvantage is leading in Shopping, Home & Garden, Sports, Furniture and 17 other categories.
Widdit is leading in most countries, including Russia, Israel, Brazil, India and 47 other countries.
MerchantAdvantage is leading in United States, Canada, Sweden, Malaysia and one other country.